無限小變化 的英文怎麼說

中文拼音 [wúxiànxiǎobiànhuà]
無限小變化 英文
infinitesimal change
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 限 : Ⅰ名詞（指定的范圍; 限度） limit; bounds Ⅱ動詞（指定范圍, 不許超過） set a limit; limit; restrict
  • 小 : Ⅰ形容詞1 （體積、面積、數量、強度等不大） small; little; petty; minor 2 （年紀小的; 年幼的） youn...
  • 無限 : infinite; limitless; boundless; immeasurable; unlimited
  1. From a vigorous literary young man to a focus of people ' s attention, but lonely and melancholy old man, guo mo - ruo ' s literature view is moving and changing all along, from " hominine literature " to " the people ' s literature " ; the circumscription of literary view is gradually diminishing, the writer ' s ability to write is inactivated, artist life is gradually withering

    摘要從意氣風發的文學青年到風光無限卻寂寞惆悵的蹉跎老人，郭沫若的文學觀始終處于運動變化中，從「人的文學」到「人民文學」 ，文學觀念所包孕的范圍在逐漸縮小，作家創作才能趨于鈍化，藝術生命亦漸萎頓。
  2. In all kinds of complicated network, oriented linking and unlinking, communication frequency resource is strained, and bandwith to transmitting audio frequency signal is too restricted, complicated and fluky, while audio frequency data exponential have been increased in the last several years. under the circumstances, based on the research of predecessor, this paper studies wavelet analysis ' s maths gist and practices significance on signal process, and puts forward a optimized wavelet package condensation arithmetic to process audio frequency data, which gives attention to coding efficiency, multirate and compression delay. simulation experiment on the arithmetic has been done by matlab

    針對無連接和面向連接的各種復雜網路環境下，通信頻帶資源緊張，音頻傳輸帶寬有限且復雜多變，而各種音頻數據又日益增多的局面，本文研究小波分析在信號處理方面的數學依據和在數據壓縮方面的實際意義，在前人不斷工作的基礎上，提出了一種優化小波包變換編碼方案用於音頻數據的壓縮演算法，兼考慮了編碼效率、多碼率和壓縮時延多個方面，並在matlab環境下做了模擬實驗，對各種音頻信號及多種小波函數做了模擬結果比較，實驗結果證明該演算法可以在一定計算復雜度下可以很好地改進壓縮效果，達到多碼率下實現實時編解碼的過程，在高速dsp晶元等硬體設備支持下，可以有效應用於實際復雜多變信源編碼。
  3. Abstract : selective mechanisms exist in organism and biosphere, which select the cells with less dna injuy and reproduces them. there are two models ; mechanisms 1 and mechanisms 2, represented respectively b bacteria and mechanolytes of human beings. cells with mechanisms 1 ( e. g. bacteria, generative cells, cancer cells ) can reproduce infinitely, while somatic cells can not. there are deep - going reasons behind the two categories of selective mechanisms. the canceration of the cells is a degenerating process from mechanisms 2 to mechanisms 1

    摘要生物界存在一類篩選機制，它將dna損傷較小的細胞篩選出來，產生後代.主要有兩類模式機制1和機制2 ，分別以細菌和人的成纖維細胞為代表，那些具有篩選機制1的細胞（如:細菌、生殖細胞、癌細胞）能無限傳代，而體細胞則不能.這兩類篩選機制背後有更深刻的原因，而細胞的癌變正是從機制2退化為機制1的過程。
  4. Electromagnetic compatibility - part 3 - 3 : limits - limitation of voltage changes, voltage fluctuations and flicker in public low - voltage supply systems for equipment with rated current inferior or egal to 16 a per phase and not subject to conditional connection

    電磁兼容性.第3 - 3部分:限值.額定電流小於或等於16a相併且在無條件連接情況下的設備用公共低壓供電系統的電壓變化電壓波動和電壓閃動的限值
  5. Based on nonlinear finite element theory, stress and deformation behaviors are analyzed after ground stabilization and foundation pit reinforcement with deep mixing method. by comparison of the conditions of treatment and non - treatment of two examples respectively, the results indicate that the match ratio scheme used for deep mixing method is more ideal when soft clay is stabilized in this area of fuzhou in the thesis. this scheme not only can fully utilize industrial waste material, but also can economize construction cost

    對于加固土的工程特性，本文以非線性有限元理論為基礎，模擬分析水泥攪拌樁加固地基和基坑支護加固的應力和變形情況；通過兩個例子分別在有處理和無處理情況下的對比，利用固化劑最佳摻入比來設計地基處理方案，並運用非線性有限元方法計算出土體內大小主應力的分佈情況以及變形情況，結果表明本文所得出的配合比方案用於深層攪拌樁法來對福州地區軟粘土進行地基加固時還是比較理想的，這樣不僅充分利用工業廢料，還可節約工程造價。
  6. In this paper, the high - temperature low - cycle fatigue life and fatigue crack propagation life tests are carried on the cylindrical axial symmetry specimens having precrack or non - precrack with different types of notches of 16mnr steel in common use in the petrochemical industry contacting coke drum equipment, the stress / strain and the range of stress / strain of dangerous points are received through stress analysis of the specimens using finite element program under multi - axial stress state. at last, the equations of evaluating the high - temperature low - cycle fatigue life and the fatigue crack propagation life are found through using the least - square regression method

    本文採用無預裂紋和帶預裂紋環狀缺口圓柱形試樣，進行了石化焦炭塔設備常用材料16mnr多維應力狀態下不同缺口形式的高溫低周疲勞總壽命試驗及裂紋擴展壽命試驗，並利用有限元程序對試樣缺口周圍及裂紋尖端附近進行了軸對稱多維應力狀態下的應力、應變場分析，來評價材料不同條件下的高溫低周疲勞總壽命和裂紋擴展壽命，最後利用最小二乘回歸方法，得到了該材料高溫低周疲勞總壽命和裂紋擴展壽命評價方程。
  7. Among the adaptive beam - forming algorithms, the least mean square algorithm is widely used because it has a simple configuration and it is apt to come true and have nice convergence. on the other hand, it has a disadvantage that it converges slowly and there is a conflict between the fixed step and the convergence pace or the error in stabilization. so people have developed many improved least mean square algorithms which generally start from convergence, stabilization, misadjustment, and robustness and come to a formula about variational step in the end

    在自適應波束形成演算法中，最小均方（ lms ）演算法因結構簡單，易於實現，能穩定收斂而得到廣泛應用，但它也存在收斂速度受限的缺點：固定步長因子無法解決收斂速度和穩態誤差之間的矛盾。因此，人們提出了各種改進的最小均法演算法來解決這一問題。改進的最小均方演算法通常從如何改進收斂速度、穩態誤差、失調量和魯棒性等指標上出發，最後在新演算法最終表達式中的步長公式上變化。
  8. In chapter 2, an accurate modified reynolds equation is derived. the modified reynolds equation is solved numerically with the finite different method, the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction under the rectangular screw are obtained. at last, using numeral methods and coordinate graphs, the influences of rectangular screw parameters on the generated axial thrust force, minimal mucus film thickness, load capacity of hydrodynamic pressure and circumferential friction are studied and analyzed

    第二章，首先推導了非牛頓流體的變形雷諾方程，化簡了雷諾方程，得出了矩形螺紋下有限差分方程；還推出了矩形螺紋作用下軸向摩擦牽引力、粘液膜厚度、粘液膜承載能力、周向摩擦阻力無量綱表達式，最後用數值計算方法求解，通過坐標圖分析了矩形螺紋參數對軸向摩擦牽引力、最小粘液膜厚度、粘液膜承載能力、周向摩擦阻力的影響。
  9. Similarly, because we can never know initial conditions with infinite precision, chaos theory teaches that long - range predictions can be very difficult, because small changes in those initial conditions can lead to very large differences later in time

    相似地，由於我們永遠無法無限精確地知道初始條件，混沌理論告訴我們遠期的預測是非常困難的，因為初始條件的很小的變化可以在以後導致巨大的差別。
  10. The variational trait of the first temporal coefficient is that the coefficient is often positive in 1960s, often negative in 1970s, the break point often happen in 1960s and 1970s, especialy 1970s ; the fluctuate of the second temporal coefficient of year. spring and autumn appears little change, but appears much change of summer and winter, the break point often happen in 1980s and 1990s, specially 1980s ; the change trend of the third temporal coefficient is not obvious during 1961 to 2000, only appears clear raise in the anaphase 1990s ; it is difficult to detail the positive and negative trend of the fourth temporal coefficient, the situation of the coefficient appears alternant change of positive value and negative value, the break points happen concentratively in 1990s, the situation of the fifth temporal coefficient is like the fourth ' s ; the alternate of positive value and negative value of the sixth temporal coefficient is obvious, then the negative trend take advantage after 1990s, the distribution of the break point is even, but most of them still in 1990s ; the break points happen many times, but it is limited that the break points attain 0. 05 significance test

    第一時間系數變化大體有如下特點：對年和季節來說， 60年代系數多表現為正值， 70年代多表現為負值，突變點多發生於60 、 70年代，特別是60年代；第二時間系數在年、春季、秋季表現為波動很小，夏季和冬季則很大，突變點多發生於80 、 90年代，特別是80年代；第三時間系數正負變化趨勢不明顯，只是90年代後期在年和夏季降水中升高明顯；第四時間系數基本無明顯正負趨勢可言，只是正負交替出現，突變點集中出現在90年代；同第四時間系數相似，第五時間系數亦無明顯正負趨勢，突變點多出現在90年代；第六時間系數正負交替明顯，進入叨年代后負趨勢為主，突變點分佈較均勻，但仍以904atvjz多；突變點出良多，但突變區域艾擇no 05 ggrr著性以上的卻有限。
  11. The simulation findings uncover that : either a higher inefficiency level of e - marketplace, or a higher opportunity cost that a seller in the traditional marketplace takes, or a low upper limit of active sellers in e - marketplace, or a higher probability of taking stochastic actions, or less information to form expectation, can be propitious for spurring the shift from the traditional marketplace to the e - marketplace. as for the popular “ thorough shift ” presumption, this paper puts forward that, an aggressive shift from traditional marketplace to e - marketplace is probably built on an effort by the buyer to constrain his own bargaining power or to share benefits with the supplier. by developing economic models and leveraging the general game theory, this paper also finds out that cost is the critical factor that governs the evolution of monopolistic market, monopolistic competitive market and oligarchic market

    保持其它因素不變，以上因素對市場演化的影響作用分別為:市場演化對電子市場競爭無效率度高度敏感，當電子市場競爭無效率度小幅度下降時，市場顯著地偏向傳統市場，當電子市場競爭無效率度小幅度上升時，市場顯著地偏向電子市場;傳統交易中賣方所承擔的隱性成本是市場演化的另一個決定性因素，當傳統交易中的賣方所承擔的隱性成本取值較大時，電子市場將佔主導地位，當傳統交易中的賣方所承擔的隱性成本取值較小時，傳統市場將佔主導地位， ;當為電子市場中實際參與每筆交易的賣方設置一個低的上限時，傳統市場將迅速演化為電子市場;市場參與者的非理性行動概率越大，市場越容易向電子市場
  12. Since the deadbeat control property is effect by the operating system parameters, the deadbeat control parameters are corrected using the scheme, called " on line least mean square method with moving range ", in real time by stages. so the controller is adaptable to the change of operating system parame

    研究中針對無差拍控制性能受系統參數變化的影響，提出了應用「在線限定記憶最小二乘」的參數辨識方法，分期實時地修正其控制參數，使之對系統的參數變化具有自適應性。
  13. In virtue of the knowledge related to fractal theory, all fractals algorithms in the paper have already been realized on computer, such as mandelbrot sets, julia sets, l system and iterated function system, etc. and their fractal figures have been drawn. meanwhile, to obtain a better visual effect and simulate actual natural scene, software adopts the real color and color palette to enrich figures, and color animated cartoon to change them. to show the self - similarity and infinitive tractility of fractal figures, partial zoom has been made on them

    本文運用分形理論實現多種分形演算法，在計算機上生成mandelbrot集， julia集， l系統， ifs迭代函數系統等典型的分形圖形，同時運用真彩色及調色板技術豐富圖形的色彩，實現了色彩動畫，使其更真實的模擬自然景物；運用鼠標編程技術實現對圖形局部的放大和縮小，體現分形圖形的自相似性和無限延展性；提供多組參數，利用分形圖形的混沌特性，通過微小的參數變化，生成完全不同的分形圖形。
  14. The analytical solutions of the gain, dispersion and population difference in the steady state of an open ladder lasing without inversion ( lwi ) system are at first given when the phase fluctuation of the driving field is considered. then the effects of the driving field phase fluctuation on the gain, dispersion and population difference are analyzed by the numerical results from the analytical solutions. our research shows that the phase fluctuation of the driving field will results in a finite line width ; with the line width increasing, the gain decreases monotonously, however, variation of the dispersion isn ? t monotonous, it has a maximum value when the line width takes some value ; the line width varying can ? t lead to change lasing from without to with population inversion

    給出了有驅動場位相漲落的開放的梯型無粒子數反轉激光（ lwi ）系統增益、色散和布居數差的定態解析解，進而用得到的數值計算結果分析了驅動場位相漲落對增益、色散和布居數差的影響.研究結果表明，驅動場位相漲落將導致有限線寬;隨著線寬的增加，系統增益單調地減小，但系統色散的變化並不是單調的，當線寬取某個值時，色散有極大值;線寬的變化不能導致無反轉激光向反轉激光的轉變
  15. The solving steps are as follows : the field is divided into three regions by the cylindrical surface of the finite - length cylinder and the location of the delta - coils. because " the surface current source is placed at the interface, the non - homogenous restricted equation on the magnetic vector potential is transformed into the homogenous helmholtz equation. by using the method of separation of variables to solve equation and according to the interface conditions and the condition at infinity to determine the unknown constants, the expressions for the magnetic vector potential of the three regions are solved out

    在求解過程中，假定放置式圓柱線圈是由無窮多個對稱圓環線圈密饒而成，首先求解含有有限長磁芯的通電對稱圓環線圈的電磁場：以有限長圓柱磁芯的側面和圓環線圈所在圓柱面為分界面將場域劃分為三個小區域，由於場源放置在內邊界面上，使得關于矢量磁位的非齊次約束方程轉化成齊次亥姆霍茲方程，利用分離變量法求解，根據分界面鄭州大學碩十研究生畢業論文摘要條件以及無限遠條件確定待定常數，從而得到各場區矢量磁位的表達式。
  16. Some conclusions are drawn : the compressive strength and flexural strength of cubic specimens of steel fibre reinforced concrete increase with the dosage of steel fibre ; without change of dosage of steel fibre, the elastic modulus of steel fibre reinforced concrete increases with the concrete age ; steel fibre reinforced concrete is of obvious function in cracking resistance, but there is no obvious function in avoidance of cracking ; for both common concrete and steel fibre reinforced concrete, the variation of the internal temperature is different from that of the external temperature before the initial set of concrete, and the internal strain of both two kinds of concrete is great, and, in general, the variation of strain of common concrete is much greater than that of the steel fibre reinforced concrete ; after the initial set of concrete, the variation of the internal temperature of both two kinds of concrete is similar to that of the external temperature, and the variation of the internal strain is relatively small

    結果表明：鋼纖維混凝土立方體的杭壓強度、抗彎強度隨著鋼纖維摻量的增加而增大；在鋼纖維摻量不變的情況下，鋼纖維混凝土的抗壓彈性模量會隨著齡期的增加而提高；鋼纖維對混凝土的阻裂作用很明顯，而對混凝土起裂的限製作用不明顯；在混凝土初凝之前，無論是普通混凝土還是鋼纖維混凝土，內部溫度的變化規律與外界溫度的變化規律不同，並且此階段混凝土內部應變的變幅很大，普通混凝土應變的變幅要比鋼纖維混凝土應變的變幅大得多；在混凝土初凝之後，無論是普通混凝土還是鋼纖維混凝土，內部溫度的變化規律與外界溫度的變化規律相同，並且此階段混凝土內部應變的變幅很小。
  17. Based on the retrospect and review of existent literature, spatial monopolization and rival strategy are accepted but the angle discussing the effect that product differentiation works on cooperation will be changed from producer. by re - constructing function of consumer utility and introducing in consumer preference, the degree of product differentiation may be denoted by the degree of consumer preference. the influence that product differentiation works on critical discount factor d can be obtained by introducing in one - shot price game and repeated game, from which we can learn the influence that product differentiation works on cooperation

    圍繞bertrand悖論的所展開的爭論，為進一步展開對這一問題的分析提供了豐富的工具和背景知識，在對已有的理論文獻加以回顧引述的基礎上，保留原有的空間壟斷概念和競爭策略的同時，改變單純從生產者角度來論述產品差異度對企業合作的影響，重新構造消費者效用函數，引入消費者偏好，以消費者的偏好的大小來表示產品之間的差異度，通過單時期和無限期博弈模型來論證產品差異度（消費者偏好程度之比）對臨界折現因子的影響，進而論證其對企業間進行合作所產生影響；效用函數的引入使得價格和運輸成本不再是決定消費者購買的唯一因素，消費者對產品的選擇不完全取決于消費者的位置，這會導致企業間定價和市場份額的非對稱性變化。
  18. Study in detail the typical case of beijing digital electronic communication technology co., ltd., further combine theory with practice and summarize the conclusion of this paper. it is so urgent for the radical requirement of market and consumption that the domestic mobile phone retail industry begins to seek a new profit increasing point and orderly development space, it is doomed that the retail of mobile phone will change step by step from the small - scale integrated normal interlocking operation

    對北京迪信通電子通信技術有限公司這樣一個典型案例進行了解剖式的研究，進一步將理論與實踐相結合，並得出本文的結論：迫於市場及消費的根本需求，國內手機零售業開始尋找新的利潤增長點和有序發展空間，手機產品的零售必將從零散的、無序的、小規模的混雜經營逐步演變為統一的、規范的、具有市場拓展實力的、規模化的連鎖經營。
  19. The numbers and amplitudes of both transimtted and reflected solitons from an incident soliton are given analytically for this case. if the interface of two kinds of dust grains is continuous, neglecting the reflection, the nonlinear dust - acoustic wave can be described by a kdv - type equation in the lowest order. the amplitudes, propagating velocities of these quasi - solitons for this case are also given analytically

    無論是分界面不連續變化還是連續變化，對于小的、但有限振幅的長波振動，電勢孤子從質量小的塵埃等離子體穿過分界面進入質量大的塵埃等離子體，電勢孤子的振幅將增大，速度將變快，反之，電勢孤子從由質量大的塵埃微粒組成的塵埃等離子體穿過分界面進入由質量小的塵埃微粒組成的塵埃等離子體，電勢孤子的振幅將減小，速度將減緩。
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